Multi-function writing instrument



FIG. 1 is a perspective view of my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof, the left side being a mirror image;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view of FIG. 1 with the writing tip at the upper end shown retracted and the writing tip assembly at the lower end shown in a reversed position.

The fountain pen tip depicted by means of broken lines in FIG. 7 has been shown for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a multi-function writing instrument, as shown and described. 